公开(公告)号：EP2803427A1

公开(公告)日：2014-11-19

申请号：EP13736021.0

申请日：2013-01-15

申请人： Nippon Steel & Sumitomo Metal Corporation ,  Nippon Steel & Sumikin Engineering Co., Ltd. ,  NS Plant Designing Corporation

发明人： IMAI, Shuntaro ,  MARUKI, Yasuo ,  YAMASAKI, Norimasa ,  MATSUOKA, Yukihiro ,  SENOO, Satoshi ,  HAYAMA, Masanobu

IPC分类号： B22D11/128

CPC分类号： B21B1/46 ,  B21B27/02 ,  B21B31/02 ,  B22D11/128

摘要： The present invention is a casting product reduction apparatus that applies reduction to a casting product drawn from a mold with a sufficient reduction force and thereby can surely decrease center segregation and porosity and suppress occurrence of internal cracks so as to manufacture a high-quality casting product and includes: a pair of casting product press rolls that hold and press the casting product therebetween; backup rolls that support the casting product press rolls; and a pair of frames arranged to face each other, wherein three or more sets of the casting product press roll and the backup roll are arranged in a casting product drawing direction on each of the frames, and wherein a reduction means that decreases and increases a distance between the frames is provided at two or more places on the pair of frames.

摘要翻译： 本发明是一种铸造产品的还原装置，其对具有足够的还原力的模具中的铸造产品进行还原，可以确实地降低中心偏析和孔隙率，并抑制内部裂纹的产生，从而制造高质量的铸造产品 并且包括：一对铸造产品压辊，其在其间保持和压制铸造产品; 支持铸造产品压辊的支承辊; 以及一对相对配置的框架，其特征在于，在所述框架上，在所述铸造制品压榨辊和所述支承辊的铸造制品的拉拔方向上配置有3组以上的组， 帧之间的距离设置在该对帧上的两个或多个位置。

公开(公告)号：EP1671715B1

公开(公告)日：2016-07-06

申请号：EP04788241.0

申请日：2004-09-28

申请人： Nippon Steel & Sumitomo Metal Corporation

发明人： KURISU, Yasushi ,  SHIA, Yoshiaki ,  YAMAMURA, Kazuto ,  ISHIMORI, Yuuichi ,  MITAKE, Hiroyuki ,  SHIMA, Tetsuo ,  FUKUCHI, Hiroshi ,  YAMASAKI, Norimasa

IPC分类号： B21D22/20 ,  B21D24/00 ,  B21D37/16 ,  B30B15/34

CPC分类号： B21D37/16 ,  B21D22/022 ,  B21D22/208